study - robtex.com
study
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-11 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSd.nic.study2015-05-13 → 2017-08-19 · 4 obs
● 2017-08-19 11:55:26
○ 2026-02-14 19:10:06
○ 2026-04-11 17:42:58
●NSx.nic.study2026-02-14 → 2026-04-11 · 3 obs
● 2026-02-14 19:10:06
● 2026-04-11 17:42:58
●NSy.nic.study2026-02-14 → 2026-04-11 · 3 obs
● 2026-02-14 19:10:06
● 2026-04-11 17:42:58
●NSz.nic.study2026-02-14 → 2026-04-11 · 3 obs
● 2026-02-14 19:10:06
● 2026-04-11 17:42:58
○MXyour-dns-needs-immediate-attention.study2015-05-13 → 2015-05-13 · 3 obs
○ 2015-09-22 02:49:16
○ 2026-04-11 17:42:58
○A127.0.53.532015-05-13 → 2015-05-13 · 3 obs
○ 2015-09-22 02:49:16
○ 2026-04-11 17:42:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
✅ Authoritative Response
Server:156.154.174.82
NS records: a.nic.study, b.nic.study, c.nic.study, x.nic.study, y.nic.study, z.nic.study
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 94ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | a.nic.study, b.nic.study... |
| SOA | 1 | a.nic.study admin.tldns.godaddy |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
Hierarchy
study is a parent of accredo.study, transcript.study, voknalir.study, onscript.study, filmapik.study and hundreds more host names.
Name Servers
study delegates to six name servers: a.nic.study, b.nic.study, c.nic.study, x.nic.study, y.nic.study and z.nic.study.
study shares name servers with other domains at least partially, for example nic.study.
Host names with two IP numbers:
a.nic.study points to 2001:dcd:1::10 and 37.209.192.10.
b.nic.study points to 2001:dcd:2::10 and 37.209.194.10.
c.nic.study points to 2001:dcd:3::10 and 37.209.196.10.
x.nic.study points to 2610:a1:1074::1:82 and 156.154.172.82.
y.nic.study points to 2610:a1:1075::1:82 and 156.154.173.82.
z.nic.study points to 2610:a1:1076::1:82 and 156.154.174.82.